mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure AAAAACCACAATTACTTTTGCACCA GTGCAAAAGAAACTGTGGTTTTTGC CTTTATTAGTCTGGTGCAAAAGAAACTGTGGTTTTTGCCATTACTTTTACAGGCAAAAACCACAATTACTTTTGCACCAACCTAATATAACTTGTTT 2 0 3' arm Homo_sapiens mirbase mir-548 1e-31 hsa-mir-548d-1 3e-50 -43.5 ...((((((..(((((((((((.((.(((((((((((((............))))))))))))).)).)))))))))))..)))))).......... (-43.50)